British adventurer Ash Dykes recently uncovered the source of an uncharted river deep in the Amazon rainforest ... expedition led to the discovery of waterfalls and untouched wilderness, with ...

As well as the Amazon rainforest and the high mountains of the Andes, South America is home to some spectacular waterfalls. Angel Falls in Venezuela is the highest waterfall in the world ...

Kennedy, Jr., calls the Great Bear Rainforest "the planet's last large ... the 21-million-acre wilderness is sometimes called the Amazon of the North. The vast, sodden land encompasses 1,000 ...

Cold waves can cause temperatures to drop drastically. Researchers have investigated how animals react to this.

The Amazon isn't as pristine as you might think. Turns out, humans have been changing its landscape for thousands of years. This suggests that some of the Amazon we know today was largely ...